fixes

# Conflicts:
#	.gitlab-ci.yml
#	Dockerfile
#	README.md
#	app/main.py
#	app/orm.py
#	requirements.txt

.DEBIAN/requirements-ubuntu-24.04.txt

@@ -0,0 +1,10 @@
+# https://packages.ubuntu.com
+fastapi==0.101.0
+uvicorn[standard]==0.27.1
+python-jose[pycryptodome]==3.3.0
+pycryptodome==3.20.0
+python-dateutil==2.8.2
+sqlalchemy==1.4.50
+markdown==3.5.2
+python-dotenv==1.0.1
+jinja2==3.1.2

.gitlab-ci.yml

@@ -126,7 +126,7 @@ build:pacman:
       - "*.pkg.tar.zst"
 
 test:
-  image: python:3.11-slim-bookworm
+  image: $IMAGE
   stage: test
   interruptible: true
   rules:
@@ -141,10 +141,12 @@ test:
     DATABASE: sqlite:///../app/db.sqlite
   parallel:
     matrix:
-      - REQUIREMENTS:
+      - IMAGE: [ 'python:3.11-slim-bookworm', 'python:3.12-slim-bullseye' ]
+        REQUIREMENTS:
           - requirements.txt
           - .DEBIAN/requirements-bookworm-12.txt
           - .DEBIAN/requirements-ubuntu-23.10.txt
+          - .DEBIAN/requirements-ubuntu-24.04.txt
   before_script:
     - apt-get update && apt-get install -y python3-dev gcc
     - pip install -r $REQUIREMENTS
@@ -205,7 +207,7 @@ test:debian:
 
 test:ubuntu:
   extends: .test:linux
-  image: ubuntu:23.10
+  image: ubuntu:24.04
 
 test:archlinux:
   image: archlinux:base
@@ -295,17 +297,13 @@ gemnasium-python-dependency_scanning:
 
 deploy:docker:
   extends: .deploy
-  image: docker:dind
   stage: deploy
-  tags: [ docker ]
   before_script:
     - echo "Building docker image for commit $CI_COMMIT_SHA with version $CI_COMMIT_REF_NAME"
-    - docker buildx inspect
-    - docker buildx create --use
   script:
     - echo "========== GitLab-Registry =========="
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - IMAGE=$CI_REGISTRY/$CI_PROJECT_PATH
+    - IMAGE=$CI_REGISTRY/$CI_PROJECT_PATH/$CI_COMMIT_REF_NAME
     - docker buildx build --progress=plain --platform $DOCKER_BUILDX_PLATFORM --build-arg VERSION=$CI_COMMIT_REF_NAME --build-arg COMMIT=$CI_COMMIT_SHA --tag $IMAGE:$CI_COMMIT_REF_NAME --push .
     - docker buildx build --progress=plain --platform $DOCKER_BUILDX_PLATFORM --build-arg VERSION=$CI_COMMIT_REF_NAME --build-arg COMMIT=$CI_COMMIT_SHA --tag $IMAGE:latest --push .
     - echo "========== Docker-Hub =========="

Dockerfile

@@ -10,7 +10,7 @@ RUN apk update \
  && apk add --no-cache --virtual build-deps gcc g++ python3-dev musl-dev pkgconfig \
  && apk add --no-cache curl postgresql postgresql-dev mariadb-dev sqlite-dev \
  && pip install --no-cache-dir --upgrade uvicorn \
- && pip install --no-cache-dir psycopg2==2.9.6 mysqlclient==2.2.0 pysqlite3==0.5.1 \
+ && pip install --no-cache-dir psycopg2==2.9.9 mysqlclient==2.2.4 pysqlite3==0.5.2 \
  && pip install --no-cache-dir -r /tmp/requirements.txt \
  && apk del build-deps
 

README.md

@@ -9,15 +9,24 @@ Only the clients need a connection to this service on configured port.
 
 **Official Links**
 
-- https://git.collinwebdesigns.de/oscar.krause/fastapi-dls (Private Git)
-- https://gitea.publichub.eu/oscar.krause/fastapi-dls (Public Git)
-- https://hub.docker.com/r/collinwebdesigns/fastapi-dls (Docker-Hub `collinwebdesigns/fastapi-dls:latest`)
+* https://git.collinwebdesigns.de/oscar.krause/fastapi-dls (Private Git)
+* https://gitea.publichub.eu/oscar.krause/fastapi-dls (Public Git)
+* https://hub.docker.com/r/collinwebdesigns/fastapi-dls (Docker-Hub `collinwebdesigns/fastapi-dls:latest`)
 
 *All other repositories are forks! (which  is no bad - just for information and bug reports)*
 
+[Releases & Release Notes](https://git.collinwebdesigns.de/oscar.krause/fastapi-dls/-/releases)
+
+**Further Reading**
+
+* [NVIDIA vGPU Guide](https://gitlab.com/polloloco/vgpu-proxmox) - This document serves as a guide to install NVIDIA vGPU host drivers on the latest Proxmox VE version
+* [vgpu_unlock](https://github.com/DualCoder/vgpu_unlock) - Unlock vGPU functionality for consumer-grade Nvidia GPUs.
+* [vGPU_Unlock Wiki](https://docs.google.com/document/d/1pzrWJ9h-zANCtyqRgS7Vzla0Y8Ea2-5z2HEi4X75d2Q) - Guide for `vgpu_unlock`
+* [Proxmox All-In-One Installer Script](https://wvthoog.nl/proxmox-vgpu-v3/) - Also known as `proxmox-installer.sh`
+
 ---
 
-[[_TOC_]]
+[TOC]
 
 # Setup (Service)
 
@@ -102,7 +111,7 @@ volumes:
   dls-db:
 ```
 
-## Debian/Ubuntu/macOS (manual method using `git clone` and python virtual environment)
+## Debian / Ubuntu / macOS (manual method using `git clone` and python virtual environment)
 
 Tested on `Debian 11 (bullseye)`, `Debian 12 (bookworm)` and `macOS Ventura (13.6)`, Ubuntu may also work.
 **Please note that setup on macOS differs from Debian based systems.**
@@ -309,7 +318,7 @@ EOF
 Now you have to run `systemctl daemon-reload`. After that you can start service
 with `systemctl start fastapi-dls.service` and enable autostart with `systemctl enable fastapi-dls.service`.
 
-## Debian/Ubuntu (using `dpkg`)
+## Debian / Ubuntu (using `dpkg` / `apt`)
 
 Packages are available here:
 
@@ -317,10 +326,11 @@ Packages are available here:
 
 Successful tested with:
 
-- Debian 12 (Bookworm)
+- Debian 12 (Bookworm) (EOL: tba.)
 - Ubuntu 22.10 (Kinetic Kudu) (EOL: July 20, 2023)
 - Ubuntu 23.04 (Lunar Lobster) (EOL: January 2024)
 - Ubuntu 23.10 (Mantic Minotaur) (EOL: July 2024)
+- Ubuntu 24.04 (Noble Numbat) (EOL: April 2036)
 
 Not working with:
 
@@ -416,9 +426,9 @@ After first success you have to replace `--issue` with `--renew`.
 every 4.8 hours. If network connectivity is lost, the loss of connectivity is detected during license renewal and the
 client has 19.2 hours in which to re-establish connectivity before its license expires.
 
-\*3 Always use `https`, since guest-drivers only support secure connections!
+\*2 Always use `https`, since guest-drivers only support secure connections!
 
-\*4 If you recreate instance keys you need to **recreate client-token for each guest**!
+\*3 If you recreate your instance keys you need to **recreate client-token for each guest**!
 
 # Setup (Client)
 
@@ -426,25 +436,30 @@ client has 19.2 hours in which to re-establish connectivity before its license e
 
 Successfully tested with this package versions:
 
-| vGPU Suftware | Linux vGPU Manager | Linux Driver | Windows Driver | Release Date  |
-|---------------|--------------------|--------------|----------------|---------------|
-| `16.3`        | `535.154.02`       | `535.154.05` | `538.15`       | January 2024  |
-| `16.2`        | `535.129.03`       | `535.129.03` | `537.70`       | October 2023  |
-| `16.1`        | `535.104.06`       | `535.104.05` | `537.13`       | August 2023   |
-| `16.0`        | `535.54.06`        | `535.54.03`  | `536.22`       | July 2023     |
-| `15.3`        | `525.125.03`       | `525.125.06` | `529.11`       | June 2023     |
-| `15.2`        | `525.105.14`       | `525.105.17` | `528.89`       | March 2023    |
-| `15.1`        | `525.85.07`        | `525.85.05`  | `528.24`       | January 2023  |
-| `15.0`        | `525.60.12`        | `525.60.13`  | `527.41`       | December 2022 |
-| `14.4`        | `510.108.03`       | `510.108.03` | `514.08`       | December 2022 |
-| `14.3`        | `510.108.03`       | `510.108.03` | `513.91`       | November 2022 |
+| vGPU Suftware | Driver Branch | Linux vGPU Manager | Linux Driver | Windows Driver |  Release Date |      EOL Date |
+|:-------------:|:-------------:|--------------------|--------------|----------------|--------------:|--------------:|
+|    `17.2`     |     R550      | `550.90.05`        | `550.90.07`  | `552.55`       |     June 2024 | February 2025 |
+|    `17.1`     |     R550      | `550.54.16`        | `550.54.15`  | `551.78`       |    March 2024 |               |
+|    `17.0`     |     R550      | `550.54.10`        | `550.54.14`  | `551.61`       | February 2024 |               |
+|    `16.6`     |     R535      | `535.183.04`       | `535.183.01` | `538.67`       |     June 2024 |     July 2026 |
+|    `16.5`     |     R535      | `535.161.05`       | `535.161.08` | `538.46`       | February 2024 |               |
+|    `16.4`     |     R535      | `535.161.05`       | `535.161.07` | `538.33`       | February 2024 |               |
+|    `16.3`     |     R535      | `535.154.02`       | `535.154.05` | `538.15`       |  January 2024 |               |
+|    `16.2`     |     R535      | `535.129.03`       | `535.129.03` | `537.70`       |  October 2023 |               |
+|    `16.1`     |     R535      | `535.104.06`       | `535.104.05` | `537.13`       |   August 2023 |               |
+|    `16.0`     |     R535      | `535.54.06`        | `535.54.03`  | `536.22`       |     July 2023 |               |
+|    `15.4`     |     R525      | `525.147.01`       | `525.147.05` | `529.19`       |     June 2023 |  October 2023 |
+|    `15.3`     |     R525      | `525.125.03`       | `525.125.06` | `529.11`       |     June 2023 |               |
+|    `15.2`     |     R525      | `525.105.14`       | `525.105.17` | `528.89`       |    March 2023 |               |
+|    `15.1`     |     R525      | `525.85.07`        | `525.85.05`  | `528.24`       |  January 2023 |               |
+|    `15.0`     |     R525      | `525.60.12`        | `525.60.13`  | `527.41`       | December 2022 |               |
+|    `14.4`     |     R510      | `510.108.03`       | `510.108.03` | `514.08`       | December 2022 | February 2023 |
+|    `14.3`     |     R510      | `510.108.03`       | `510.108.03` | `513.91`       | November 2022 |               |
 
 - https://docs.nvidia.com/grid/index.html
+- https://docs.nvidia.com/grid/gpus-supported-by-vgpu.html
 
-*To get the latest drivers, visit Nvidia or search in Discord-Channel `GPU Unlocking` (Server-ID: `829786927829745685`) on channel `licensing` `biggerthanshit` 
-
-
-https://archive.biggerthanshit.com/NVIDIA/ (nvidia / b1gg3rth4nsh1t)
+*To get the latest drivers, visit Nvidia or search in Discord-Channel `GPU Unlocking` (Server-ID: `829786927829745685`) on channel `licensing` `biggerthanshit`
 
 ## Linux
 
@@ -579,7 +594,7 @@ Generate client token, (see [installation](#installation)).
 There are many other internal api endpoints for handling authentication and lease process.
 </details>
 
-# Troubleshoot
+# Troubleshoot / Debug
 
 **Please make sure that fastapi-dls and your guests are on the same timezone!**
 
@@ -735,6 +750,12 @@ Thanks to vGPU community and all who uses this project and report bugs.
 
 Special thanks to 
 
-- @samicrusader who created build file for ArchLinux
-- @cyrus who wrote the section for openSUSE
-- @midi who wrote the section for unRAID
+- @samicrusader who created build file for **ArchLinux**
+- @cyrus who wrote the section for **openSUSE**
+- @midi who wrote the section for **unRAID**
+- @polloloco who wrote the *[NVIDIA vGPU Guide](https://gitlab.com/polloloco/vgpu-proxmox)*
+- @DualCoder who creates the `vgpu_unlock` functionality [vgpu_unlock](https://github.com/DualCoder/vgpu_unlock)
+- Krutav Shah who wrote the [vGPU_Unlock Wiki](https://docs.google.com/document/d/1pzrWJ9h-zANCtyqRgS7Vzla0Y8Ea2-5z2HEi4X75d2Q/)
+- Wim van 't Hoog for the [Proxmox All-In-One Installer Script](https://wvthoog.nl/proxmox-vgpu-v3/)
+
+And thanks to all people who contributed to all these libraries!

app/main.py

@@ -1,50 +1,81 @@
 import logging
 from base64 import b64encode as b64enc
+from calendar import timegm
+from contextlib import asynccontextmanager
+from datetime import datetime
 from hashlib import sha256
-from uuid import uuid4
-from os.path import join, dirname
+from json import loads as json_loads
 from os import getenv as env
+from os.path import join, dirname
+from uuid import uuid4
 
+from dateutil.relativedelta import relativedelta
 from dotenv import load_dotenv
 from fastapi import FastAPI
 from fastapi.requests import Request
-from json import loads as json_loads
-from datetime import datetime
-from dateutil.relativedelta import relativedelta
-from calendar import timegm
 from jose import jws, jwt, JWTError
 from jose.constants import ALGORITHMS
-from starlette.middleware.cors import CORSMiddleware
-from starlette.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, RedirectResponse
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
+from starlette.middleware.cors import CORSMiddleware
+from starlette.responses import StreamingResponse, JSONResponse as JSONr, HTMLResponse as HTMLr, Response, \
+    RedirectResponse
 
 from orm import init as db_init, migrate, Site, Instance, Origin, Lease
 
+# Load variables
 load_dotenv('../version.env')
 
-# get local timezone
+# Get current timezone
 TZ = datetime.now().astimezone().tzinfo
 
-# fetch version info
+# Load basic variables
 VERSION, COMMIT, DEBUG = env('VERSION', 'unknown'), env('COMMIT', 'unknown'), bool(env('DEBUG', False))
 
-# fastapi setup
-config = dict(openapi_url='/-/openapi.json', docs_url=None, redoc_url=None)
-app = FastAPI(title='FastAPI-DLS', description='Minimal Delegated License Service (DLS).', version=VERSION, **config)
-
-# database setup
+# Database connection
 db = create_engine(str(env('DATABASE', 'sqlite:///db.sqlite')))
 db_init(db), migrate(db)
 
-# DLS setup (static)
+# Load DLS variables (all prefixed with "INSTANCE_*" is used as "SERVICE_INSTANCE_*" or "SI_*" in official dls service)
 DLS_URL = str(env('DLS_URL', 'localhost'))
 DLS_PORT = int(env('DLS_PORT', '443'))
 CORS_ORIGINS = str(env('CORS_ORIGINS', '')).split(',') if (env('CORS_ORIGINS')) else [f'https://{DLS_URL}']
 
 ALLOTMENT_REF = str(env('ALLOTMENT_REF', '20000000-0000-0000-0000-000000000001'))  # todo
 
-# fastapi middleware
+
+# FastAPI
+@asynccontextmanager
+async def lifespan(_: FastAPI):
+    # on startup
+    default_instance = Instance.get_default_instance(db)
+
+    lease_renewal_period = default_instance.lease_renewal_period
+    lease_renewal_delta = default_instance.get_lease_renewal_delta()
+    client_token_expire_delta = default_instance.get_client_token_expire_delta()
+
+    logger.info(f'''
+    Using timezone: {str(TZ)}. Make sure this is correct and match your clients!
+    
+    Your clients will renew their license every {str(Lease.calculate_renewal(lease_renewal_period, lease_renewal_delta))}.
+    If the renewal fails, the license is valid for {str(lease_renewal_delta)}.
+    
+    Your client-token file (.tok) is valid for {str(client_token_expire_delta)}.
+    ''')
+
+    logger.info(f'Debug is {"enabled" if DEBUG else "disabled"}.')
+
+    validate_settings()
+
+    yield
+
+    # on shutdown
+    logger.info(f'Shutting down ...')
+
+
+config = dict(openapi_url=None, docs_url=None, redoc_url=None)  # dict(openapi_url='/-/openapi.json', docs_url='/-/docs', redoc_url='/-/redoc')
+app = FastAPI(title='FastAPI-DLS', description='Minimal Delegated License Service (DLS).', version=VERSION, lifespan=lifespan, **config)
+
 app.debug = DEBUG
 app.add_middleware(
     CORSMiddleware,
@@ -54,10 +85,20 @@ app.add_middleware(
     allow_headers=['*'],
 )
 
-# logging
-logging.basicConfig()
+# Logging
+LOG_LEVEL = logging.DEBUG if DEBUG else logging.INFO
+logging.basicConfig(format='[{levelname:^7}] [{module:^15}] {message}', style='{')
 logger = logging.getLogger(__name__)
-logger.setLevel(logging.DEBUG if DEBUG else logging.INFO)
+logger.setLevel(LOG_LEVEL)
+logging.getLogger('util').setLevel(LOG_LEVEL)
+logging.getLogger('NV').setLevel(LOG_LEVEL)
+
+
+# Helper
+def __get_token(request: Request, jwt_decode_key: "jose.jwt") -> dict:
+    authorization_header = request.headers.get('authorization')
+    token = authorization_header.split(' ')[1]
+    return jwt.decode(token=token, key=jwt_decode_key, algorithms=ALGORITHMS.RS256, options={'verify_aud': False})
 
 
 def validate_settings():
@@ -72,11 +113,7 @@ def validate_settings():
     session.close()
 
 
-def __get_token(request: Request, jwt_decode_key: "jose.jwt") -> dict:
-    authorization_header = request.headers.get('authorization')
-    token = authorization_header.split(' ')[1]
-    return jwt.decode(token=token, key=jwt_decode_key, algorithms=ALGORITHMS.RS256, options={'verify_aud': False})
-
+# Endpoints
 
 @app.get('/', summary='Index')
 async def index():
@@ -118,8 +155,7 @@ async def _config():
 async def _readme():
     from markdown import markdown
     from util import load_file
-
-    content = load_file('../README.md').decode('utf-8')
+    content = load_file(join(dirname(__file__), '../README.md')).decode('utf-8')
     return HTMLr(markdown(text=content, extensions=['tables', 'fenced_code', 'md_in_html', 'nl2br', 'toc']))
 
 
@@ -595,26 +631,6 @@ async def leasing_v1_lessor_shutdown(request: Request):
     return JSONr(response)
 
 
-@app.on_event('startup')
-async def app_on_startup():
-    default_instance = Instance.get_default_instance(db)
-
-    lease_renewal_period = default_instance.lease_renewal_period
-    lease_renewal_delta = default_instance.get_lease_renewal_delta()
-    client_token_expire_delta = default_instance.get_client_token_expire_delta()
-
-    logger.info(f'''
-    Using timezone: {str(TZ)}. Make sure this is correct and match your clients!
-    
-    Your clients will renew their license every {str(Lease.calculate_renewal(lease_renewal_period, lease_renewal_delta))}.
-    If the renewal fails, the license is valid for {str(lease_renewal_delta)}.
-    
-    Your client-token file (.tok) is valid for {str(client_token_expire_delta)}.
-    ''')
-
-    validate_settings()
-
-
 if __name__ == '__main__':
     import uvicorn
 

app/orm.py

@@ -1,11 +1,12 @@
 import logging
 from datetime import datetime, timedelta
+
 from dateutil.relativedelta import relativedelta
 from sqlalchemy import Column, VARCHAR, CHAR, ForeignKey, DATETIME, update, and_, inspect, text, BLOB, INT, FLOAT
 from sqlalchemy.engine import Engine
 from sqlalchemy.orm import sessionmaker, declarative_base, Session, relationship
 
-from app.util import parse_key
+from util import NV
 
 logging.basicConfig()
 logger = logging.getLogger(__name__)
@@ -148,6 +149,8 @@ class Origin(Base):
         return f'Origin(origin_ref={self.origin_ref}, hostname={self.hostname})'
 
     def serialize(self) -> dict:
+        _ = NV().find(self.guest_driver_version)
+
         return {
             'origin_ref': self.origin_ref,
             # 'service_instance_xid': self.service_instance_xid,
@@ -155,6 +158,7 @@ class Origin(Base):
             'guest_driver_version': self.guest_driver_version,
             'os_platform': self.os_platform,
             'os_version': self.os_version,
+            '$driver': _ if _ is not None else None,
         }
 
     @staticmethod
@@ -323,7 +327,6 @@ class Lease(Base):
 
 
 def init_default_site(session: Session):
-    from uuid import uuid4
     from app.util import generate_key
 
     private_key = generate_key()
@@ -394,30 +397,37 @@ def migrate(engine: Engine):
 
         # INSTANCE_KEY_RSA, INSTANCE_KEY_PUB
         default_instance_private_key_path = str(join(dirname(__file__), 'cert/instance.private.pem'))
-        if instance_private_key := env('INSTANCE_KEY_RSA', None) is not None:
+        instance_private_key = env('INSTANCE_KEY_RSA', None)
+        if instance_private_key is not None:
             instance.private_key = load_key(str(instance_private_key))
         elif isfile(default_instance_private_key_path):
             instance.private_key = load_key(default_instance_private_key_path)
         default_instance_public_key_path = str(join(dirname(__file__), 'cert/instance.public.pem'))
-        if instance_public_key := env('INSTANCE_KEY_PUB', None) is not None:
+        instance_public_key = env('INSTANCE_KEY_PUB', None)
+        if instance_public_key is not None:
             instance.public_key = load_key(str(instance_public_key))
         elif isfile(default_instance_public_key_path):
             instance.public_key = load_key(default_instance_public_key_path)
 
         # TOKEN_EXPIRE_DELTA
-        if token_expire_delta := env('TOKEN_EXPIRE_DAYS', None) not in (None, 0):
+        token_expire_delta = env('TOKEN_EXPIRE_DAYS', None)
+        if token_expire_delta not in (None, 0):
             instance.token_expire_delta = token_expire_delta * 86_400
-        if token_expire_delta := env('TOKEN_EXPIRE_HOURS', None) not in (None, 0):
+        token_expire_delta = env('TOKEN_EXPIRE_HOURS', None)
+        if token_expire_delta not in (None, 0):
             instance.token_expire_delta = token_expire_delta * 3_600
 
         # LEASE_EXPIRE_DELTA, LEASE_RENEWAL_DELTA
-        if lease_expire_delta := env('LEASE_EXPIRE_DAYS', None) not in (None, 0):
+        lease_expire_delta = env('LEASE_EXPIRE_DAYS', None)
+        if lease_expire_delta not in (None, 0):
             instance.lease_expire_delta = lease_expire_delta * 86_400
-        if lease_expire_delta := env('LEASE_EXPIRE_HOURS', None) not in (None, 0):
+        lease_expire_delta = env('LEASE_EXPIRE_HOURS', None)
+        if lease_expire_delta not in (None, 0):
             instance.lease_expire_delta = lease_expire_delta * 3_600
 
         # LEASE_RENEWAL_PERIOD
-        if lease_renewal_period := env('LEASE_RENEWAL_PERIOD', None) is not None:
+        lease_renewal_period = env('LEASE_RENEWAL_PERIOD', None)
+        if lease_renewal_period is not None:
             instance.lease_renewal_period = lease_renewal_period
 
         # todo: update site, instance

app/util.py

@@ -1,10 +1,17 @@
-def load_file(filename) -> bytes:
+import logging
+
+logging.basicConfig()
+
+
+def load_file(filename: str) -> bytes:
+    log = logging.getLogger(f'{__name__}')
+    log.debug(f'Loading contents of file "{filename}')
     with open(filename, 'rb') as file:
         content = file.read()
     return content
 
 
-def load_key(filename) -> "RsaKey":
+def load_key(filename: str) -> "RsaKey":
     try:
         # Crypto | Cryptodome on Debian
         from Crypto.PublicKey import RSA
@@ -13,6 +20,8 @@ def load_key(filename) -> "RsaKey":
         from Cryptodome.PublicKey import RSA
         from Cryptodome.PublicKey.RSA import RsaKey
 
+    log = logging.getLogger(__name__)
+    log.debug(f'Importing RSA-Key from "{filename}"')
     return RSA.import_key(extern_key=load_file(filename), passphrase=None)
 
 
@@ -36,5 +45,50 @@ def generate_key() -> "RsaKey":
     except ModuleNotFoundError:
         from Cryptodome.PublicKey import RSA
         from Cryptodome.PublicKey.RSA import RsaKey
-
+    log = logging.getLogger(__name__)
+    log.debug(f'Generating RSA-Key')
     return RSA.generate(bits=2048)
+
+
+class NV:
+    __DRIVER_MATRIX_FILENAME = 'static/driver_matrix.json'
+    __DRIVER_MATRIX: None | dict = None  # https://docs.nvidia.com/grid/ => "Driver Versions"
+
+    def __init__(self):
+        self.log = logging.getLogger(self.__class__.__name__)
+
+        if NV.__DRIVER_MATRIX is None:
+            from json import load as json_load
+            try:
+                file = open(NV.__DRIVER_MATRIX_FILENAME)
+                NV.__DRIVER_MATRIX = json_load(file)
+                file.close()
+                self.log.debug(f'Successfully loaded "{NV.__DRIVER_MATRIX_FILENAME}".')
+            except Exception as e:
+                NV.__DRIVER_MATRIX = {}  # init empty dict to not try open file everytime, just when restarting app
+                # self.log.warning(f'Failed to load "{NV.__DRIVER_MATRIX_FILENAME}": {e}')
+
+    @staticmethod
+    def find(version: str) -> dict | None:
+        if NV.__DRIVER_MATRIX is None:
+            return None
+        for idx, (key, branch) in enumerate(NV.__DRIVER_MATRIX.items()):
+            for release in branch.get('$releases'):
+                linux_driver = release.get('Linux Driver')
+                windows_driver = release.get('Windows Driver')
+                if version == linux_driver or version == windows_driver:
+                    tmp = branch.copy()
+                    tmp.pop('$releases')
+
+                    is_latest = release.get('vGPU Software') == branch.get('Latest Release in Branch')
+
+                    return {
+                        'software_branch': branch.get('vGPU Software Branch'),
+                        'branch_version': release.get('vGPU Software'),
+                        'driver_branch': branch.get('Driver Branch'),
+                        'branch_status': branch.get('vGPU Branch Status'),
+                        'release_date': release.get('Release Date'),
+                        'eol': branch.get('EOL Date') if is_latest else None,
+                        'is_latest': is_latest,
+                    }
+        return None

requirements.txt

@@ -1,8 +1,8 @@
-fastapi==0.110.0
-uvicorn[standard]==0.27.1
+fastapi==0.111.0
+uvicorn[standard]==0.29.0
 python-jose==3.3.0
 pycryptodome==3.20.0
 python-dateutil==2.8.2
-sqlalchemy==2.0.27
-markdown==3.5.2
+sqlalchemy==2.0.30
+markdown==3.6
 python-dotenv==1.0.1

test/create_driver_matrix_json.py

@@ -0,0 +1,137 @@
+import logging
+
+logging.basicConfig()
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.INFO)
+
+URL = 'https://docs.nvidia.com/grid/'
+
+BRANCH_STATUS_KEY, SOFTWARE_BRANCH_KEY, = 'vGPU Branch Status', 'vGPU Software Branch'
+VGPU_KEY, GRID_KEY, DRIVER_BRANCH_KEY = 'vGPU Software', 'vGPU Software', 'Driver Branch'
+LINUX_VGPU_MANAGER_KEY, LINUX_DRIVER_KEY = 'Linux vGPU Manager', 'Linux Driver'
+WINDOWS_VGPU_MANAGER_KEY, WINDOWS_DRIVER_KEY = 'Windows vGPU Manager', 'Windows Driver'
+ALT_VGPU_MANAGER_KEY = 'vGPU Manager'
+RELEASE_DATE_KEY, LATEST_KEY, EOL_KEY = 'Release Date', 'Latest Release in Branch', 'EOL Date'
+JSON_RELEASES_KEY = '$releases'
+
+
+def __driver_versions(html: 'BeautifulSoup'):
+    def __strip(_: str) -> str:
+        # removes content after linebreak (e.g. "Hello\n World" to "Hello")
+        _ = _.strip()
+        tmp = _.split('\n')
+        if len(tmp) > 0:
+            return tmp[0]
+        return _
+
+    # find wrapper for "DriverVersions" and find tables
+    data = html.find('div', {'id': 'DriverVersions'})
+    tables = data.findAll('table')
+    for table in tables:
+        # parse software-branch (e.g. "vGPU software 17 Releases" and remove " Releases" for "matrix_key")
+        software_branch = table.parent.find_previous_sibling('button', {'class': 'accordion'}).text.strip()
+        software_branch = software_branch.replace(' Releases', '')
+        matrix_key = software_branch.lower()
+
+        # driver version info from table-heads (ths) and table-rows (trs)
+        ths, trs = table.find_all('th'), table.find_all('tr')
+        headers, releases = [header.text.strip() for header in ths], []
+        for trs in trs:
+            tds = trs.find_all('td')
+            if len(tds) == 0:  # skip empty
+                continue
+            # create dict with table-heads as key and cell content as value
+            x = {headers[i]: __strip(cell.text) for i, cell in enumerate(tds)}
+            releases.append(x)
+
+        # add to matrix
+        MATRIX.update({matrix_key: {JSON_RELEASES_KEY: releases}})
+
+
+def __release_branches(html: 'BeautifulSoup'):
+    # find wrapper for "AllReleaseBranches" and find table
+    data = html.find('div', {'id': 'AllReleaseBranches'})
+    table = data.find('table')
+
+    # branch releases info from table-heads (ths) and table-rows (trs)
+    ths, trs = table.find_all('th'), table.find_all('tr')
+    headers = [header.text.strip() for header in ths]
+    for trs in trs:
+        tds = trs.find_all('td')
+        if len(tds) == 0:  # skip empty
+            continue
+        # create dict with table-heads as key and cell content as value
+        x = {headers[i]: cell.text.strip() for i, cell in enumerate(tds)}
+
+        # get matrix_key
+        software_branch = x.get(SOFTWARE_BRANCH_KEY)
+        matrix_key = software_branch.lower()
+
+        # add to matrix
+        MATRIX.update({matrix_key: MATRIX.get(matrix_key) | x})
+
+
+def __debug():
+    # print table head
+    s = f'{SOFTWARE_BRANCH_KEY:^21} | {BRANCH_STATUS_KEY:^21} | {VGPU_KEY:^13} | {LINUX_VGPU_MANAGER_KEY:^21} | {LINUX_DRIVER_KEY:^21} | {WINDOWS_VGPU_MANAGER_KEY:^21} | {WINDOWS_DRIVER_KEY:^21} | {RELEASE_DATE_KEY:>21} | {EOL_KEY:>21}'
+    print(s)
+
+    # iterate over dict & format some variables to not overload table
+    for idx, (key, branch) in enumerate(MATRIX.items()):
+        branch_status = branch.get(BRANCH_STATUS_KEY)
+        branch_status = branch_status.replace('Branch ', '')
+        branch_status = branch_status.replace('Long-Term Support', 'LTS')
+        branch_status = branch_status.replace('Production', 'Prod.')
+
+        software_branch = branch.get(SOFTWARE_BRANCH_KEY).replace('NVIDIA ', '')
+        for release in branch.get(JSON_RELEASES_KEY):
+            version = release.get(VGPU_KEY, release.get(GRID_KEY, ''))
+            linux_manager = release.get(LINUX_VGPU_MANAGER_KEY, release.get(ALT_VGPU_MANAGER_KEY, ''))
+            linux_driver = release.get(LINUX_DRIVER_KEY)
+            windows_manager = release.get(WINDOWS_VGPU_MANAGER_KEY, release.get(ALT_VGPU_MANAGER_KEY, ''))
+            windows_driver = release.get(WINDOWS_DRIVER_KEY)
+            release_date = release.get(RELEASE_DATE_KEY)
+            is_latest = release.get(VGPU_KEY) == branch.get(LATEST_KEY)
+
+            version = f'{version} *' if is_latest else version
+            eol = branch.get(EOL_KEY) if is_latest else ''
+            s = f'{software_branch:^21} | {branch_status:^21} | {version:<13} | {linux_manager:<21} | {linux_driver:<21} | {windows_manager:<21} | {windows_driver:<21} | {release_date:>21} | {eol:>21}'
+            print(s)
+
+
+def __dump(filename: str):
+    import json
+
+    file = open(filename, 'w')
+    json.dump(MATRIX, file)
+    file.close()
+
+
+if __name__ == '__main__':
+    MATRIX = {}
+
+    try:
+        import httpx
+        from bs4 import BeautifulSoup
+    except Exception as e:
+        logger.error(f'Failed to import module: {e}')
+        logger.info('Run "pip install beautifulsoup4 httpx"')
+        exit(1)
+
+    r = httpx.get(URL)
+    if r.status_code != 200:
+        logger.error(f'Error loading "{URL}" with status code {r.status_code}.')
+        exit(2)
+
+    # parse html
+    soup = BeautifulSoup(r.text, features='html.parser')
+
+    # build matrix
+    __driver_versions(soup)
+    __release_branches(soup)
+
+    # debug output
+    __debug()
+
+    # dump data to file
+    __dump('../app/static/driver_matrix.json')